diff --git a/python/promplate/chain/node.py b/python/promplate/chain/node.py
index 62691bf..42d1124 100644
--- a/python/promplate/chain/node.py
+++ b/python/promplate/chain/node.py
@@ -13,16 +13,13 @@
 
 class ChainContext(SafeChainMapContext):
     @overload
-    def __init__(self):
-        ...
+    def __init__(self): ...
 
     @overload
-    def __init__(self, least: MutableMapping | None = None):
-        ...
+    def __init__(self, least: MutableMapping | None = None): ...
 
     @overload
-    def __init__(self, least: MutableMapping | None = None, *maps: Mapping):
-        ...
+    def __init__(self, least: MutableMapping | None = None, *maps: Mapping): ...
 
     def __init__(self, least: MutableMapping | None = None, *maps: Mapping):
         super().__init__({} if least is None else least, *maps)  # type: ignore
@@ -56,8 +53,7 @@ def invoke(
         /,
         complete: Complete | None = None,
         **config,
-    ) -> ChainContext:
-        ...
+    ) -> ChainContext: ...
 
     async def ainvoke(
         self,
@@ -65,8 +61,7 @@ async def ainvoke(
         /,
         complete: Complete | AsyncComplete | None = None,
         **config,
-    ) -> ChainContext:
-        ...
+    ) -> ChainContext: ...
 
     def stream(
         self,
@@ -74,8 +69,7 @@ def stream(
         /,
         generate: Generate | None = None,
         **config,
-    ) -> Iterable[ChainContext]:
-        ...
+    ) -> Iterable[ChainContext]: ...
 
     def astream(
         self,
@@ -83,8 +77,7 @@ def astream(
         /,
         generate: Generate | AsyncGenerate | None = None,
         **config,
-    ) -> AsyncIterable[ChainContext]:
-        ...
+    ) -> AsyncIterable[ChainContext]: ...
 
     @classmethod
     def _get_chain_type(cls):
@@ -108,8 +101,7 @@ def _invoke(
         complete: Complete | None,
         callbacks: list[BaseCallback],
         **config,
-    ):
-        ...
+    ): ...
 
     async def _ainvoke(
         self,
@@ -118,8 +110,7 @@ async def _ainvoke(
         complete: Complete | AsyncComplete | None,
         callbacks: list[BaseCallback],
         **config,
-    ):
-        ...
+    ): ...
 
     def _stream(
         self,
@@ -128,8 +119,7 @@ def _stream(
         generate: Generate | None,
         callbacks: list[BaseCallback],
         **config,
-    ) -> Iterable:
-        ...
+    ) -> Iterable: ...
 
     def _astream(
         self,
@@ -138,8 +128,7 @@ def _astream(
         generate: Generate | AsyncGenerate | None,
         callbacks: list[BaseCallback],
         **config,
-    ) -> AsyncIterable:
-        ...
+    ) -> AsyncIterable: ...
 
     callbacks: list[BaseCallback | type[BaseCallback]]
 
diff --git a/python/promplate/llm/base.py b/python/promplate/llm/base.py
index 13e5a98..b7b183b 100644
--- a/python/promplate/llm/base.py
+++ b/python/promplate/llm/base.py
@@ -13,30 +13,24 @@ def _config(self):
 
 
 class Complete(Protocol):
-    def __call__(self, prompt, /, **config) -> str:
-        ...
+    def __call__(self, prompt, /, **config) -> str: ...
 
 
 class Generate(Protocol):
-    def __call__(self, prompt, /, **config) -> Iterable[str]:
-        ...
+    def __call__(self, prompt, /, **config) -> Iterable[str]: ...
 
 
 class AsyncComplete(Protocol):
-    def __call__(self, prompt, /, **config) -> Awaitable[str]:
-        ...
+    def __call__(self, prompt, /, **config) -> Awaitable[str]: ...
 
 
 class AsyncGenerate(Protocol):
-    def __call__(self, prompt, /, **config) -> AsyncIterable[str]:
-        ...
+    def __call__(self, prompt, /, **config) -> AsyncIterable[str]: ...
 
 
 class LLM(Protocol):
     @partial(cast, Complete | AsyncComplete)
-    def complete(self, prompt, /, **config) -> str | Awaitable[str]:
-        ...
+    def complete(self, prompt, /, **config) -> str | Awaitable[str]: ...
 
     @partial(cast, Generate | AsyncGenerate)
-    def generate(self, prompt, /, **config) -> Iterable[str] | AsyncIterable[str]:
-        ...
+    def generate(self, prompt, /, **config) -> Iterable[str] | AsyncIterable[str]: ...
diff --git a/python/promplate/llm/openai/v0.py b/python/promplate/llm/openai/v0.py
index 1f9cca0..1bd922f 100644
--- a/python/promplate/llm/openai/v0.py
+++ b/python/promplate/llm/openai/v0.py
@@ -44,11 +44,9 @@ def __init__(
             for key, val in other_config.items():
                 setattr(self, key, val)
 
-        def __setattr__(self, *_):
-            ...
+        def __setattr__(self, *_): ...
 
-        def __getattr__(self, _):
-            ...
+        def __getattr__(self, _): ...
 
 else:
     Config = Configurable
diff --git a/python/promplate/llm/openai/v1.py b/python/promplate/llm/openai/v1.py
index f5f8f16..7c4d6a0 100644
--- a/python/promplate/llm/openai/v1.py
+++ b/python/promplate/llm/openai/v1.py
@@ -62,13 +62,11 @@ def _aclient(self):
 
     class ClientConfig(Config):
         @same_params_as(Client)
-        def __init__(self, **config):
-            ...
+        def __init__(self, **config): ...
 
     class AsyncClientConfig(Config):
         @same_params_as(AsyncClient)
-        def __init__(self, **config):
-            ...
+        def __init__(self, **config): ...
 
 else:
     ClientConfig = AsyncClientConfig = Config
diff --git a/python/promplate/prompt/template.py b/python/promplate/prompt/template.py
index 1a1cb3c..28b5772 100644
--- a/python/promplate/prompt/template.py
+++ b/python/promplate/prompt/template.py
@@ -10,11 +10,9 @@
 
 
 class Component(Protocol):
-    def render(self, context: Context) -> str:
-        ...
+    def render(self, context: Context) -> str: ...
 
-    async def arender(self, context: Context) -> str:
-        ...
+    async def arender(self, context: Context) -> str: ...
 
 
 class TemplateCore(AutoNaming):
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 2b15ff2..3fdceaa 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -30,7 +30,7 @@ all = ["aiofiles", "httpx", "openai"]
 
 [tool.poetry.group.dev.dependencies]
 isort = "^5"
-black = "^23"
+black = "^24"
 pytest = "^7"
 coverage = "^7"
 pytest-asyncio = "^0.23"